package com.iplay.实战java高并发程序设计.chapter5.c510;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 * @author dangwu
 * @since 2021/11/9 5:05 下午
 */
public class MultiThreadEchoServer {
    private static ExecutorService executorService = Executors.newCachedThreadPool();
    static class HandleMsg implements Runnable{
        Socket clientSocket;
        public HandleMsg(Socket clientSocket){
            this.clientSocket = clientSocket;
        }
        @Override
        public void run() {
            BufferedReader is = null;
            PrintWriter os = null;
            try {
                is = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
                os = new PrintWriter(clientSocket.getOutputStream(),true);
                String inputLine = null;
                long b = System.currentTimeMillis();
                while ((inputLine = is.readLine()) != null){
                    os.println(inputLine);
                }
                long e = System.currentTimeMillis();
                System.out.println("spend:"+(e-b)+"ms");
            } catch (IOException e) {
                e.printStackTrace();
            }finally {
                try {
                    if (is != null)is.close();
                    if (os != null)os.close();
                    clientSocket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    public static void main(String[] args) {
        ServerSocket echoServer = null;
        Socket clientSocket = null;
        try {
            echoServer = new ServerSocket(8000);
        } catch (IOException e) {
            e.printStackTrace();
        }
        while (true){
            try {
                clientSocket = echoServer.accept();
                System.out.println(clientSocket.getRemoteSocketAddress()+"connect!");
                executorService.execute(new HandleMsg(clientSocket));
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}
